diff options
Diffstat (limited to 'Documentation/devicetree/bindings/spi/spi-bus.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-bus.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-bus.txt b/Documentation/devicetree/bindings/spi/spi-bus.txt index e782add2e45..d2c33d0f533 100644 --- a/Documentation/devicetree/bindings/spi/spi-bus.txt +++ b/Documentation/devicetree/bindings/spi/spi-bus.txt | |||
| @@ -21,6 +21,9 @@ assumption that board specific platform code will be used to manage | |||
| 21 | chip selects. Individual drivers can define additional properties to | 21 | chip selects. Individual drivers can define additional properties to |
| 22 | support describing the chip select layout. | 22 | support describing the chip select layout. |
| 23 | 23 | ||
| 24 | Optional property: | ||
| 25 | - num-cs : total number of chipselects | ||
| 26 | |||
| 24 | SPI slave nodes must be children of the SPI master node and can | 27 | SPI slave nodes must be children of the SPI master node and can |
| 25 | contain the following properties. | 28 | contain the following properties. |
| 26 | - reg - (required) chip select address of device. | 29 | - reg - (required) chip select address of device. |